I've come across a lot of people in my life who talk about poverty and talk about the poor, but you rarely have a sense that it matters to them to the point at which they will be willing to sacrifice something.

Investing one cent more in oil, coal and gas is investing in the death of society, and the in the death of our children.

Sandy was a climate change warning. Obama must now take the stage and fulfil the promise of hope the world needs.

Whenever anybody called Nelson Mandela a saint, he would say: "If by saint you mean a sinner who is trying to be better, then I'm a saint."

One of the things that I noticed with my own eyes was Nelson Mandela ability to engage with kings and queens and heads of state on the one hand, and his ability to engage with ordinary people, equally comfortably.

There is no definition of terrorism and there is still the reality that one person's terrorist is another person's freedom fighter.

You know how they say, 'What happens in Vegas, stays in Vegas?' What happens in the Arctic doesn't stay in the Arctic.